fix protogen on imported modules not referenced

Author: sduchesneau

docs/release-notes/change-log.md

@@ -9,7 +9,7 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## v1.17.2
 
 ## Server
 
@@ -27,6 +27,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 * Fixed `substreams init` to correctly showing selected label when selecting from a list of items.
 
+* Fixed `substreams protogen` when params are defined on networks for imported modules that are not dependencies to any local module
+
 ### Server
 
 * Fix a panic (nil pointer) when skipping blocks via indexes on stores on tier2

manifest/package.go

@@ -371,6 +371,20 @@ func removeUnusedImportedModules(pkg *pbsubstreams.Package, manif *Manifest) {
 		}
 	}
 
+	// also remove unused network parameters and initial blocks
+	for _, nets := range pkg.Networks {
+		for mod := range nets.Params {
+			if !moduleSet[mod] {
+				delete(nets.Params, mod)
+			}
+		}
+		for mod := range nets.InitialBlocks {
+			if !moduleSet[mod] {
+				delete(nets.InitialBlocks, mod)
+			}
+		}
+	}
+
 	pkg.Modules.Modules = newModules
 	pkg.ModuleMeta = newModuleMeta
 }